Motion Pro 08-0538 Axis Wheel Truing-Balance Stand Precision built tool for building, truing, and balancing wheels Innovative single sided design allows easy access to spokes and nipples High quality bearings allow precise wheel balancing 15 mm axle fits most modern street and dirt bikes and many mini bikes Hub cones hold wheel firmly in place Cones work with wheel bearing ID from .71 inches to 1.26 inches